Interval-Related Talks at InTech'03 - Chiang Mai, Thailand, December 17–19, 2003
Nguyen, Hung; Kreinovich, Vladik
2004-10-18 00:00:00
Interval-Related Talks at InTech’03 Chiang Mai, Thailand, December 17–19, 2003 On December 17–19, 2003, the Fourth International Conference on Intelligent Technologies InTech’03 was held in Chiang Mai, Thailand. The theme of this conference was Implementing intelligent and fuzzy technologies in a real-world environment. In real world, for many quantities x, the only information that we have about x is the interval [x, x] of its possible values. In view of the real-world importance of interval uncertainty, several InTech’03 papers—including 3 out of 6 plenary talks—mentioned interval-related techniques and results and their relation with intelligent and fuzzy techniques. Several talks described interval techniques and their applications. Shinya Miya- jima and Masahide Kashiwagi (Waseda U., Japan) showed that the use of afﬁne arithmetic can speed up the solution of systems of non-linear equations—by making box elimination more efﬁcient. As a practical application, they used their techniques to ﬁnd stable states of an electric circuit with non-linear elements (Esaki diodes). Hirochi Mabuchi, Kiyoshi Akama, Hidekatsu Koike and Takahiko Ishikawa from Iwate Prefectural U., Japan, showed how to combine interval techniques with more traditional constraint propagation techniques in solving constraint satisfac- tion problems. Vladik Kreinovich (U. Texas, El Paso), Hung T. Nguyen (New
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Abstract

Interval-Related Talks at InTech’03 Chiang Mai, Thailand, December 17–19, 2003 On December 17–19, 2003, the Fourth International Conference on Intelligent Technologies InTech’03 was held in Chiang Mai, Thailand. The theme of this conference was Implementing intelligent and fuzzy technologies in a real-world environment. In real world, for many quantities x, the only information that we have about x is the interval [x, x] of its possible values. In view of the real-world importance of interval uncertainty, several InTech’03 papers—including 3 out of 6 plenary talks—mentioned interval-related techniques and results and their relation with intelligent and fuzzy techniques. Several talks described interval techniques and their applications. Shinya Miya- jima and Masahide Kashiwagi (Waseda U., Japan) showed that the use of afﬁne arithmetic can speed up the solution of systems of non-linear equations—by making box elimination more efﬁcient. As a practical application, they used their techniques to ﬁnd stable states of an electric circuit with non-linear elements (Esaki diodes). Hirochi Mabuchi, Kiyoshi Akama, Hidekatsu Koike and Takahiko Ishikawa from Iwate Prefectural U., Japan, showed how to combine interval techniques with more traditional constraint propagation techniques in solving constraint satisfac- tion problems. Vladik Kreinovich (U. Texas, El Paso), Hung T. Nguyen (New